I have a 42re? tranny that is not shifting right, i changed the fluids and filter(which was badly burnt and smelled badd) put +4 fluid back in it. It seemed to help it. But when I kinda get on the gas a little it wont shift until I let off the gas. Then it will slip into gear. My o/d light does not work in the dash at all. I have checked the fuses. I checked the switch itself but could not get any fire . I have a 1998 Ram with about 115,000 miles on it,tranny was rebuilt about year and a half ago. Thats why i changed the fluid so I would know for sure what fluid was in it. Thanks for any comments or suggestions...Bud

 

You probably should have tried adjusting the bands too, while you had the pan off. You can still adjust the front band without removing the pan again.

 

yes I agree,wished I had read the forums before I took the pan off...I went to autozone and had them read the codes for me and it come up with
1)transmission 12 v supply relay fault
2)3-4 solenoid fault-no rpm change at lock up
3)the pcm has detected a malfunction in the 3rd and 4th gear shift
4th)torque converter clutch solenoid condition
will any of these faults cause my o/d light not to come on

 

anyone know why my overdrive wont work,the light doesnt even come on in the dash.

 

You have 4 fault codes , any 1 or all of them can cause that.

 

If i'm not mistaken, your truck WILL NOT shift into O/D without first being in drive. If you are having issues with your truck shifting into 3rd(D) then it surely won't shift into 4th(O/D). That is the code your truck is throwing and it is right in line with your symptoms.

If you look back through a couple of threads, MonteC usually jumps in at some point and suggests replacing a couple of things. You should check those and probably start there. It might just be a sensor or solenoid in your trans that is giving you the issue.

Edit: Plus I am almost positive that your T/C won't lock up unless you are at like 55mph and in D or O/D.

 

I dont even have the light in the cluster coming on saying wheter its on or not.

 

Tv cable fubared?